1 cup sliced almonds
1/3 cup rolled oats
1 ½ tablespoons maple syrup
1 ½ tablespoons unsalted butter, plus extra for cooking
2 eggs
3 egg yolks
1 ¾ cup half-and-half
2 tablespoons granulated sugar
½ teaspoon salt
2 tablespoons vanilla extract
8 slices brioche, sliced ¾-inch thick
2 pints berries (such as blackberries, blueberries, raspberries, or diced strawberries)
Powdered sugar, maple syrup, and whipped cream, for serving
